1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
jz5qQt]^ <table border oncontextmenu=return(false)><td>no</table> 可用于Table
:1iqT)&|8F wYQ&C{D% 2. <body onselectstart="return false"> 取消选取、防止复制
tb$LriN brdmz} 3. onpaste="return false" 不准粘贴
0 0M@ `.x
Fiyc 4. oncopy="return false;" oncut="return false;" 防止复制
n(L\||#+ 4Qo]nre! 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
R
+WP0&d' w0C~*fn3l 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
unBy&?&p *7h!w!LN~ 7. <input style="ime-mode:-Disabled"> 关闭输入法
p~9vP)74u OnK~3j 8. 永远都会带着框架
#3_*]8K.R <script language="javascript"><!--
XwlbJ=mf if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
av$/Om: // --></script>
;~\MZYs3m [&nh5|f 9. 防止被人frame
DBCK2PlJ <SCRIPT LANGUAGE=javascript><!--
"Q?k'^@ if (top.location != self.location)top.location=self.location;
l"2OP6d // --></SCRIPT>
`g6h9GC6 uvV;Mlo] 10. 网页将不能被另存为
}C#;fp"L <noscript><iframe src=*.html></iframe></noscript>
opJMS6%r bIEhgiH 11. <input type=button value=查看网页源代码
!X<~-G2)l onclick="window.location = `view-source:`+
http://www.51js.com/`";>
mGGsB5#w> kjtjw1\o 12.删除时确认
Hv\-_>}K <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
7?kIVP1r 7g(F#T?;' 除</a>
o4zM)\;F H)>;/#!r- 13. 取得控件的绝对位置
)JNSZB //javascript
Ldl5zc <script language="javascript">
.?!N^_ Ez3 function getIE(E){
V`7FKL@" var t=e.offsetTop;
^pe{b9c var l=e.offsetLeft;
R#DwF, while(e=e.offsetParent){
5GPo*Qpl t+=e.offsetTop;
8G5m{XTS( l+=e.offsetLeft;
hDp6YV,q }
^4`Px/& alert("top="+t+"/nleft="+l);
=@8H"&y` }
* C6a?] </script>
i![dPM [g Z"a* //VBScript
ty*@7g0k <script language="VBScript"><!--
YcN!T"wJ@ function getIE()
;x8k[p~2 dim t,l,a,b
_Jt 2YZdA set a=document.all.img1
zdEPDdB t=document.all.img1.offsetTop
GR"Eas.$ l=document.all.img1.offsetLeft
Wf&W^Q while a.tagName<>"BODY"
BZXUwqEh set a = a.offsetParent
e4z1`YLsG t=t+a.offsetTop
+5&wOgx l=l+a.offsetLeft
-M1YE wend
P7x = msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
H_ez'yy end function
,+
#6Y_ --></script>
p!<$vE {|yob4N 14. 光标是停在文本框文字的最后
Z KOXI%~Mc <script language="javascript">
pOrWg@<\L function cc()
Xe^Cn
R {
z8J."27ND var e = event.srcElement;
`St.+6^J var r =e.createTextRange();
fS"Hr 0 r.moveStart(`character`,e.value.length);
&%_& 8DkG r.collapse(true);
,E$@=1) r.select();
XbZ*& }
60)iw4<wf </script>
hAjM1UQ,Y <input type=text name=text1 value="123" onfocus="cc()">
d)"?mD:m/M bC3 F 15. 判断上一页的来源
4ON_$FUe javascript:
@5[kcU> document.referrer
]Y| 9?9d f5GdZ_ 16. 最小化、最大化、关闭窗口
>Z;jY* <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
*\o/q[ <param name="Command" value="Minimize"></object>
\^V`ds*. <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
!2|=PB' M <param name="Command" value="Maximize"></object>
fI7j):h; <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
|P.6< <PARAM NAME="Command" value="Close"></OBJECT>
.<K
iMh 3tmdi 3s <input type=button value=最小化 onclick=hh1.Click()>
q;:6_Qr <input type=button value=最大化 onclick=hh2.Click()>
B:\Uw|Mf <input type=button value=关闭 onclick=hh3.Click()>
$
A9%UhV 本例适用于IE
f(eQ+0D nWvuaQ0} 17.屏蔽功能键Shift,Alt,Ctrl
V&|!RxWK <script>
IB`>'~s&A function look(){
"aFhkPdWn if(event.shiftKey)
LsM7hLy alert("禁止按Shift键!"; //可以换成ALT CTRL
F>X-w+b4r }
5&f{1M6l> document.onkeydown=look;
P/ oXDI8 </script>
tWdhDt8$& cf7v[ZZ} 18. 网页不会被缓存
w?,M}=vg <META HTTP-EQUIV="pragma" CONTENT="no-cache">
Y=T'WNaL)0 <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
}rdIUlVO\ <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
c0Dmq)HK? 或者<META HTTP-EQUIV="expires" CONTENT="0">
kpI{KISQu P N*JR 19.怎样让表单没有凹凸感?
olW|$? <input type=text style="border:1 solid #000000">
q,2]5' 或
.Xdj(_& <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
_7D _72 4TwQO$C 1 solid #000000"></textarea>
2nFy`|aA% Y=
7%+WyD 20.<div><span>&<layer>的区别?
G8I Y# <div>(division)用来定义大段的页面元素,会产生转行
T'fcc6D5p <span>用来定义同一行内的元素,跟<div>的唯一区别是不产生转行
Z.wA@ ~e <layer>是ns的标记,ie不支持,相当于<div>
zLD|/` O3.C:?;x 21.让弹出窗口总是在最上面:
{gKN d*[* <body onblur="this.focus();">
]}UgS+g>$ =ORf%f5"' 22.不要滚动条?
"|m|E/Z-9 让竖条没有:
ZCg`z <body style=`overflow:-Scroll;overflow-y:hidden`>
$oLU; q% </body>
pU!o7>p 让横条没有:
IAOcKQ3 <body style=`overflow:-Scroll;overflow-x:hidden`>
h)v^q: =' </body>
Oc&),ru2l 两个都去掉?更简单了
!%Y~~'5 h <body scroll="no">
T|"7sPgGR </body>
?'r9"M> {FI\~q 23.怎样去掉图片链接点击后,图片周围的虚线?
vSW
L$Y2 <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
b59{)u4F [ "xn5lE 24.电子邮件处理提交表单
<fdPLw;@e4 <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
{$M;H+Foh <input type=submit>
k?VQi5M </form>
V5D`eX9 LjdYsai- 25.在打开的子窗口刷新父窗口的代码里如何写?
@:x"]!1 window.opener.location.reload()
Q!M)xNl/ *wV[TKaN 26.如何设定打开页面的大小
*g;-H&` <body onload="top.resizeTo(300,200);">
`Vq`z]} 打开页面的位置<body onload="top.moveBy(300,200);">
@+_&Y] somfv$'B 27.在页面中如何加入不是满铺的背景图片,拉动页面时背景图不动
)uLr?$qe <style>
9B+wYJp body
M)cGz$Q| {background-image:url(logo.gif); background-repeat:no-repeat;
/dDzZ%/@ E-1"+p background-position:center;background-attachment: fixed}
A.Bk/N1G </style>
Iwpbf Z -iCcoA 28. 检查一段字符串是否全由数字组成
&D#+6M&LK{ <script language="javascript"><!--
+[m8c){ function checkNum(str){return str.match(//D/)==null}
<1&Ke alert(checkNum("1232142141"
<3hA!$o~ alert(checkNum("123214214a1"
+dkS/b // --></script>
50a\e !6w{(Rc(C 29. 获得一个窗口的大小
0W>9'Rw document.body.clientWidth; document.body.clientHeight
MjaUdfx D*vm
cSf 30. 怎么判断是否是字符
Pj7gGf6v if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
CQODXB^ else alert("全是字符";
FyG6!t% 0>!/rR7 31.TEXTAREA自适应文字行数的多少
WP-jtZ?!" <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
I"xWw/Ec </textarea>